[Bug tree-optimization/46126] New: [4.6 Regression] Revision 165777 failed to build 254.gap in SPEC CPU 2K

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46126

           Summary: [4.6 Regression] Revision 165777 failed to build
                    254.gap in SPEC CPU 2K
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com
                CC: irar@il.ibm.com


On Linux/x86-64, revision 165777:

http://gcc.gnu.org/ml/gcc-cvs/2010-10/msg00963.html

caused:

gcc -c -o costab.o   -DSPEC_CPU2000_LP64 -DSYS_IS_USG -DSYS_HAS_IOCTL_PROTO
-DSYS_HAS_TIME_PROTO -DSYS_HAS_SIGNAL_PROTO -DSYS_HAS_CALLOC_PROTO
-DSYS_HAS_READ_PROTO        -O3 -funroll-loops -ffast-math   costab.c
costab.c: In function 'FunApplyRel':
costab.c:145:17: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
specmake[3]: *** [costab.o] Error 1